"use strict";
/**
 * COPYRIGHT 2021 ALL RESERVED. (C) liaoyulei, https://github.com/dualface
 */
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __generator = (this && this.__generator) || function (thisArg, body) {
    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
    function verb(n) { return function (v) { return step([n, v]); }; }
    function step(op) {
        if (f) throw new TypeError("Generator is already executing.");
        while (_) try {
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            if (y = 0, t) op = [op[0] & 2, t.value];
            switch (op[0]) {
                case 0: case 1: t = op; break;
                case 4: _.label++; return { value: op[1], done: false };
                case 5: _.label++; y = op[1]; op = [0]; continue;
                case 7: op = _.ops.pop(); _.trys.pop(); continue;
                default:
                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
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        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
    }
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.ECSSystem = void 0;
/**
 * 系统接口
 */
var ECSSystem = /** @class */ (function () {
    /**
     * 构造函数，必须从继承类调用
     *
     * @param name 系统的名字
     */
    function ECSSystem(name) {
        this.name = name;
        /**
         * 系统是否处于允许状态
         */
        this.enabled = true;
        /**
         * 执行时的优先级，数字更小的系统会更优先执行
         */
        this.priority = 0;
        //// private
        /**
         * 系统所属的 ECS，由 ECS 设置
         */
        this._ecs = undefined;
    }
    Object.defineProperty(ECSSystem.prototype, "ecs", {
        /**
         * 系统所在的 ECS 环境
         */
        get: function () {
            if (!this._ecs) {
                throw new TypeError("ECSSystem.ecs is undefined");
            }
            return this._ecs;
        },
        enumerable: false,
        configurable: true
    });
    /**
     * 设置系统所属 ECS 环境
     */
    ECSSystem.prototype.setECSEnvironment = function (env) {
        this._ecs = env;
    };
    /**
     * 系统载入
     */
    ECSSystem.prototype.load = function () {
        return __awaiter(this, void 0, void 0, function () { return __generator(this, function (_a) {
            return [2 /*return*/];
        }); });
    };
    /**
     * 系统卸载
     */
    ECSSystem.prototype.unload = function () { };
    /**
     * 启动系统
     */
    ECSSystem.prototype.start = function () { };
    /**
     * 停止系统
     */
    ECSSystem.prototype.stop = function () { };
    /**
     * 更新状态
     *
     * @param _dt
     */
    ECSSystem.prototype.update = function (_dt) { };
    return ECSSystem;
}());
exports.ECSSystem = ECSSystem;
